Subtract 5/16 from 70/63, Solve 1 7/63

Subtract 5/16 from 70/63

1^st number: 1 7/63, 2^nd number: 5/16

70/63 - 5/16 is 115/144.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008

Next, find the equivalent fraction of both fractional numbers with denominator 1008
For the 1st fraction, since 63 × 16 = 1008,
70/63 = 70 × 16/63 × 16 = 1120/1008
Likewise, for the 2nd fraction, since 16 × 63 = 1008,
5/16 = 5 × 63/16 × 63 = 315/1008
Subtract the two like fractions:
1120/1008 - 315/1008 = 1120 - 315/1008 = 805/1008
After reducing the fraction, the answer is 115/144

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